Introduction:
The first automatic Kjeldahl instrument for color sensor technology in China, with eight years of operation experience, is mature and stable, and can ensure the perennial stable operation even if working continuously for sixteen hours.
National standard Kjeldahl method: Concentrated sulfuric acid digestion samples, alkaline steam distillation, boric acid absorption, indicator titration end color determination. Selection of the world's leading high-precision, high-resolution (sixteen) tricolor digital signal color sensor to determine the end of titration technology.
Using dynamic titration technology (commonly known as edge distillation titration), distillation, titration, the calculation process is completed simultaneously.
And participate in the drafting of the national standard GB / T22923-2008, official JJF109-2012 "nitrogen meter calibration standard".
Have applied for a national invention patent, patent number ZL200710054302.7 Features:
1. The use of national standards Kjeldahl method: concentrated sulfuric acid digestion samples, alkaline steam distillation, boric acid absorption, the indicator titration end color judgment. And participate in the national standard GB / T22923-2008, the official JJF109-2012 "nitrogen meter calibration standard" drafting;
2. Automatic alkali plus acid, automatic distillation titration, titration cup automatic waste discharge cleaning, automatic calibration, automatic fault detection, automatic solution level monitoring, automatic calculation;
3. Titration of the color can be automatically and manually calibrated, titration endpoint determination using high-precision sixteen three-color digital signal color sensor color signal acquisition;
4. 1.0μL high-precision titration system, professional one-piece precision plunger to ensure test accuracy and reliability of use;
5. Titration system uses dynamic titration technology, titration while distillation, to achieve distillation, waste emissions, titration, the calculation process is completed simultaneously;
6. External Titration Cup, the experimental process visible in real time, easy to clean, titration system lighting and mature color endpoint judgment software, so that the impact of external light sources to a minimum;
7. Operating System: Chinese and English user interface optional, real-time monitoring and display of the experimental process. 5.6-inch color LCD touch screen, the host built-in ARM operating system. On the machine using windows operating software, with test data, recovery calculation and statistics, test reports automatically generated and other functions, the user can easily through the PC data analysis, processing;
8. Automatic fault monitoring, safety doors, digestive tube is not prompted; steam furnace real-time monitoring, over-voltage protection. Real-time monitoring of cooling water flow, low pressure alarm, water shut down automatically reminded;
9. Distillation generator with pressure sensors, steam over-voltage protection, temperature sensors, temperature protection switch, water level float and potential double detection and other multiple protection;
10. Double distillation mode, steam flow 0-100% adjustable, the distillation volume can be set in stages;
11. Distillate temperature and volume monitoring to avoid over-temperature or fluctuations in distillation volume affecting test results;
12 automatic calculation of the end of the experiment, can store 2000 sets of data, the test results can choose 12 kinds of representation;
13. High reliability Teflon bellows pump, resistant to acid and alkali resistant alkali corrosion, super-resistant particle blocking structure, stepper motor control, plus fluid stability, vacuum suction without danger;
14. Ammonia escape rules specially designed distillation system to ensure high reliability of the test recovery rate;
15. K06B can test and analyze nitrogen in the ammonium form, nitrate in the form of nitrate, K06C in the ammonium form, nitrogen in the form of nitrate, nitrogen in high form,
16.ABS engineering plastic chassis, waterproof, anti-power, anti-corrosion. The company is located in: Technical Parameters:
1. Test range: 0.1mg-240mgN (conventional, nitrate nitrogen)
0.1 mg to 280 mgN (high nitrogen)
2. Recovery rate: ≥ 99.5% (100% ± 0.5%)
3. Repeatability error: ± 0.5%
4. Titration accuracy: 1.0μL / step
5. Test sample weight: solid ≤ 5g liquid ≤ 25ml
6. Steam flow setting: 0-100%
7. Test time: ammonium nitrogen: 3-8min / sample
Nitrate Nitrogen: 10-18 min / sample
High nitrogen: 4-8min / sample
8. Condensate consumption: ≥1.5L / min
9. Data storage: 2000 sets of comprehensive test data
10. Operating voltage: AC220VAC ± 10% 50HZ
11. Rated power: 1800W
12. Weight: 35Kg
13. Size: 460 * 450 * 720mm
Introduction:
1.The first automatic Kjeldahl instrument for color sensor technology in China, with eight years of operation experience, is mature and stable, and can ensure the perennial stable operation even if working continuously for sixteen hours.
2.National standard Kjeldahl method: Concentrated sulfuric acid digestion samples, alkaline steam distillation, boric acid absorption, indicator titration end color determination. Selection of the world's leading high-precision, high-resolution (sixteen) tricolor digital signal color sensor to determine the end of titration technology.
3.Using dynamic titration technology (commonly known as edge distillation titration), distillation, titration, the calculation process is completed simultaneously.
4.And participate in the drafting of the national standard GB / T22923-2008, official JJF109-2012 "nitrogen meter calibration standard".
5.Have applied for a national invention patent, patent number ZL200710054302.7
